Formulary

Anhydrous Vitamin C Cream

July 1, 2004


Phase A
Silsoft SF 1540 (GE Silicones) (cyclopentasiloxane (and) PEG/PPG-20/15 dimethicone)
2.50
Velvesil 125 (GE Silicones) (cyclopentasiloxane (and) C30-45 alkyl cetearyl dimethicone crosspolymer)
15.00
Silsoft SF 1202 (GE Silicones) (cyclopentasiloxane)
10.00
Silsoft SF 1555 (GE Silicones) (bis-phenylpropyl dimethicone)
2.50

Phase B
Ascorbic acid
5.00
Propylene glycol
85.00
Preservative
q.s.
Fragrance
q.s.

Procedure
Combine ingredients of phase A at room temperature. Mix moderately and heat to 50°C. Disperse ascorbic acid in propylene glycol while thoroughly agitating. Homogenize. Slowly add phase B to phase A at 50°C, carefully monitoring the temperature. Increase agitation as the product thickens. Continue mixing for an additional 30 minutes. Cool to 30°C with moderate mixing. Add preservative and fragrance. Homogenize, if necessary.

More Information
GE Advanced Materials, Silicones, 187 Danbury Rd., Wilton, CT 06897
Tel: (800) 523-5862 (customer service); (800) 295-2392
Fax: (304) 746-1623 (customer service); Website: www.gesilicones.com

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